Mix together flour, cornstarch, and baking powder.
Add cold water to the mixture to create a batter.
Add garlic powder, paprika, onion powder, salt, and pepper to taste.
Coat your choice of vegetables (like onion rings, broccoli, or cauliflower) in the batter.
Heat oil in a frying pan.
Fry the battered vegetables until they float and are golden brown.
